Information on the parasitic copepods of fishes and invertebrates from the Seto Inland Sea published between 1935 and 2011 is assembled as Parasite-Host and Host-Parasite lists. A total of 88 nominal species (78 from fishes and 10 from invertebrates) of the following families have been reported: Anthessiidae (2 species), Bomolochidae (7), Chondracanthidae (7), Ergasilidae (3), Lichomolgidae (2), Mantridae (1), Myicolidae (1), Mytilicolidae (2), Notodelphyidae (2), Taeniacanthidae (14), Umazuracolidae (1), Caligidae (15), Hatschekiidae (9), Kroyeriidae (1), Lernaeopodidae (9), Lernanthropidae (7), Pandaridae (1), Pennellidae (2), Pseudocycnidae (1), and Pseudohatschekiidae (1). Information on the parasitic copepods not identified to species level is also given, including the species of Philichthyidae, Taeniacanthidae, and Pennellidae.